Slide 19
Slide 19 text
6TFDBTF
let json = JSON.dictionary([
"firstName": .string("hanako"),
"lastName": .string("Yamada"),
"age": .number(20),
"language": .array([
.string(“Swift"),
.string("Objective-c"),
.string("Kotlin"),
.string("Java"),
])
])
if let firstName = json.firstName?.stringValue {
print(firstName) // "hanako"
}